Transmission of Air Raid Warnings

Memo, (probably issued by the London & North Eastern Railway), 'Transmission of Air Raid Warnings', Lincoln District Control. Details of the transmission of air raid warnings between signal boxes, c1940's. 12.9134 x 7.9134 in.

Details

Category:
Documents
Object Number:
2004-7737
Materials:
paper
Measurements:
overall: 328 x 201 mm
type:
memorandum
credit:
Bowers, Joan